Potatoes on my Head: A Stem Based Learning Model for 2nd Grade Elementary Students. J. Teach. Learn. Elem. Educ. [Internet]. 2021 Aug. 17 [cited 2025 Oct. 15];4(2):131-4. Available from: https://jtlee.ejournal.unri.ac.id/index.php/JTLEE/article/view/158